Home / 226,355.20-339,446.40-68,531.20

Finding the Fourth Proportional to 226,355.20, 339,446.40 and 68,531.20

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Solution

The fourth proportional to 226,355.20, 339,446.40 and 68,531.20 is: 102,770.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,355.20 : 339,446.40 = 68,531.20 : x
  2. Step 2: Convert to fraction form
    226,355.20/339,446.40 = 68,531.20/x
  3. Step 3: Cross multiply
    226,355.20x = 339,446.40 × 68,531.20
  4. Step 4: Simplify right side
    226,355.20x = 23,262,669,127.68
  5. Step 5: Solve for x
    x = 23,262,669,127.68/226,355.20
  6. Step 6: Final answer
    x = 102,770.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.